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71063 = 179397
BaseRepresentation
bin10001010110010111
310121110222
4101112113
54233223
61304555
7414116
oct212627
9117428
1071063
1149433
123515b
1326465
141bc7d
15160c8
hex11597

71063 has 4 divisors (see below), whose sum is σ = 71640. Its totient is φ = 70488.

The previous prime is 71059. The next prime is 71069. The reversal of 71063 is 36017.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 71063 - 22 = 71059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 377.

It is an arithmetic number, because the mean of its divisors is an integer number (17910).

271063 is an apocalyptic number.

71063 is a deficient number, since it is larger than the sum of its proper divisors (577).

71063 is a wasteful number, since it uses less digits than its factorization.

71063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 71063 is about 266.5764430703. The cubic root of 71063 is about 41.4204213626.

The spelling of 71063 in words is "seventy-one thousand, sixty-three".

Divisors: 1 179 397 71063